Advertisements
Advertisements
Question
To which regions of the electromagnetic spectrum do the following wavelengths belong:
(a) 250 nm
(b) 1500 nm
Solution
(a) 250 nm → Ultraviolet
(b) 1500 nm → UV - Ray, Infrared
APPEARS IN
RELATED QUESTIONS
Give the range of wavelength of the electromagnetic waves visible to us.
Give one use of ultraviolet radiation.
How are X-rays produced?
Suppose a monochromatic X-ray beam of wavelength 100 pm is sent through a Young's double slit and the interference pattern is observed on a photographic plate placed 40 cm away from the slit. What should be the separation between the slits so that the successive maxima on the screen are separated by a distance of 0.1 mm?
Give one use of electromagnetic radiations in Infrared radiation.
Answer briefly.
Can we produce a pure electric or magnetic wave in space? Why?
A bat moving at 10 ms−1 towards a wall sends a sound signal of 8000 Hz towards it. On reflection, it hears a sound of frequency f The value of f in Hz is close to (speed of sound = 320 ms−1)
What is time period of the light for which the eye is most sensitive?
All components of the electromagnetic spectrum in a vacuum have the same ______
Which one of the following electromagnetic radiation has the least wavelength?
